Ребята помогите пожалуйста найти загадки на английском языке. Кто знаток английского плиз. Help me!

Thanks for help

Clean, but not water,White, but not snow,Sweet, but not ice-cream,What is it?I am purple, yellow, red, and greenThe King cannot reach me and neither can the Queen.I show my colours after the rainAnd only when the sun comes out again.What occurs once in a minute, twice in a moment and never in a thousand years?The more you have of it, the less you see. What is it?